There are many kinds of lamps and lanterns, such as chandeliers, ceiling lamps, table lamps, floor lamps, wall lamps, spotlights, etc., and there are many colors in the lighting, colorless, white, pink, blue, light green, golden and milky white. When selecting lamps, do not only consider the appearance and price of lamps, but also consider the brightness, and the definition of brightness should be not dazzling, after safe handling, clear and soft light.